21 C.F.R. § 184.1764 Sodium hypophosphite.
Title 21 - Food and Drugs
(a) Sodium hypophosphite (NaH2PO2, CAS Reg. No. 7681–53–0) is a white, odorless, deliquescent granular powder with a saline taste. It is also prepared as colorless, pearly crystalline plates. It is soluble in water, alcohol, and glycerol. It is prepared by neutralization of hypophosphorous acid or by direct aqueous alkaline hydrolysis of white phosphorus. (b) FDA is developing food-grade specifications for sodium hypophosphite in cooperation with the National Academy of Sciences. In the interim, the ingredient must be of a suitable purity for its intended use. (c) In accordance with §184.1(b)(1), the ingredient is used in food with no limitations other than current good manufacturing practice. The affirmation of this ingredient as generally recognized as safe (GRAS) as a direct human food ingredient is based upon the following current good manufacturing practice conditions of use: (1) The ingredient is used as an emulsifier or stabilizer, as defined in §§170.3(o)(8) and 170.3(o)(28) of this chapter. (2) The ingredient is used in cod-liver oil emulsions at levels not to exceed current good manufacturing practice. (d) Prior sanctions for this ingredient different from the use established in this section do not exist or have been waived. [47 FR 38277, Aug. 31, 1982]
Title 21: Food and Drugs
PART 184—DIRECT FOOD SUBSTANCES AFFIRMED AS GENERALLY RECOGNIZED AS SAFE
Subpart B—Listing of Specific Substances Affirmed as GRAS
§ 184.1764 Sodium hypophosphite.
